eq2go/old/common/packet/packet_struct.hpp
2025-08-06 19:00:30 -05:00

244 lines
10 KiB
C++

// Copyright (C) 2007 EQ2EMulator Development Team, GPL v3+
#pragma once
#include <iostream>
#include <exception>
#include <vector>
#include <map>
#include <string>
#include <cstring>
#include <cstdio>
#include "data_struct.hpp"
#include "../log.hpp"
#include "../debug.hpp"
#include "../data_buffer.hpp"
#include "../config_reader.hpp"
#include "../misc_functions.hpp"
#include "../opcodes/opcode_manager.hpp"
#ifdef WORLD
#include "../../WorldServer/Items/Items.h"
#include "../../WorldServer/Player.h"
#include "../../WorldServer/World.h"
class Item;
class Player;
#endif
extern ConfigReader configReader;
extern std::map<int16, OpcodeManager*> EQOpcodeManager;
class PacketStruct : public DataBuffer
{
public:
// Default constructor - initializes empty packet structure
PacketStruct()
{
parent = 0;
opcode = OP_Unknown;
opcode_type = std::string("");
}
// Copy constructor from existing packet with sub-packet flag
PacketStruct(PacketStruct* packet, bool sub)
{
std::vector<DataStruct*>::iterator itr2;
for (itr2 = packet->structs.begin(); itr2 != packet->structs.end(); itr2++) {
add(new DataStruct(*itr2));
}
std::vector<std::string>::iterator itr;
for (itr = packet->flags.begin(); itr != packet->flags.end(); itr++) {
AddFlag((*itr).c_str());
}
sub_packet = sub;
opcode = packet->opcode;
version = packet->version;
opcode_type = packet->opcode_type;
name = packet->name;
sub_packet_size = 0;
parent = 0;
}
// Copy constructor with client version specification
PacketStruct(PacketStruct* packet, int16 in_client_version)
{
parent = packet->parent;
client_version = in_client_version;
std::vector<DataStruct*>::iterator itr2;
name = packet->name;
for (itr2 = packet->structs.begin(); itr2 != packet->structs.end(); itr2++) {
add(new DataStruct(*itr2));
}
std::vector<std::string>::iterator itr;
for (itr = packet->flags.begin(); itr != packet->flags.end(); itr++) {
AddFlag((*itr).c_str());
}
sub_packet = false;
opcode = packet->opcode;
version = packet->version;
opcode_type = packet->opcode_type;
sub_packet_size = 1;
addPacketArrays(packet);
}
// Destructor - cleans up all allocated data structures and arrays
~PacketStruct()
{
deleteDataStructs(&structs);
deleteDataStructs(&orig_structs);
deletePacketArrays(this);
struct_map.clear();
struct_data.clear();
flags.clear();
}
// Core packet management functions
void add(DataStruct* data);
void add(PacketStruct* packet_struct);
void remove(DataStruct* data);
void remove(const char* name);
DataStruct* findStruct(const char* name, int32 index);
DataStruct* findStruct(const char* name, int32 index1, int32 index2);
// String manipulation functions
void setSmallStringByName(const char* name, const char* text, int32 index = 0);
void setMediumStringByName(const char* name, const char* text, int32 index = 0);
void setLargeStringByName(const char* name, const char* text, int32 index = 0);
void setSmallString(DataStruct* data_struct, const char* text, int32 index = 0);
void setMediumString(DataStruct* data_struct, const char* text, int32 index = 0);
void setLargeString(DataStruct* data_struct, const char* text, int32 index = 0);
// Color manipulation functions
void setColorByName(const char* name, int8 red, int8 green, int8 blue, int32 index = 0);
void setColorByName(const char* name, EQ2_Color* data, int32 index = 0);
void setColorByName(const char* name, EQ2_Color data, int32 index = 0);
void setColor(DataStruct* data, int8 red, int8 green, int8 blue, int32 index = 0);
void setColor(DataStruct* data_struct, EQ2_Color data, int32 index = 0);
// Equipment manipulation functions
void setEquipmentByName(const char* name, EQ2_EquipmentItem data, int32 index = 0);
void setEquipmentByName(const char* name, EQ2_EquipmentItem* data, int32 size);
void setEquipmentByName(const char* name, int32 type, int8 c_red, int8 c_blue, int8 c_green, int8 h_red, int8 h_blue, int8 h_green, int32 index = 0);
void setEquipmentByName(DataStruct* data_struct, EQ2_EquipmentItem data, int32 index = 0);
void setEquipment(DataStruct* data, int16 type, int8 c_red, int8 c_blue, int8 c_green, int8 h_red, int8 h_blue, int8 h_green, int32 index);
// Array management functions
void reAddAll(int32 length);
void renameSubstructArray(const char* substruct, int32 index);
int32 GetArraySize(DataStruct* data_struct, int32 index);
int32 GetArraySize(const char* name, int32 index);
int32 GetArraySizeByName(const char* name, int32 index);
void UpdateArrayByArrayLength(DataStruct* data_struct, int32 index, int32 size);
void UpdateArrayByArrayLengthName(const char* name, int32 index, int32 size);
// Packet structure utility functions
void setAddToPacketByName(const char* name, bool new_val, int32 index = 0);
void setArrayAddToPacketByName(const char* name, bool new_val, int32 index1 = 0, int32 index2 = 0);
void setAddTypePacketByName(const char* name, int8 new_val, int32 index = 0);
// Type checking functions
bool IsStringValueType(std::string in_name, int32 index);
bool IsColorValueType(std::string in_name, int32 index);
// Variable state functions
bool GetVariableIsSet(const char* name);
bool GetVariableIsNotSet(const char* name);
// Flag management functions
bool CheckFlagExists(const char* name);
void AddFlag(const char* name);
// Serialization functions
void serializePacket(bool clear = true);
std::string* serializeString();
EQ2Packet* serialize();
EQ2Packet* serializeCountPacket(int16 version, int8 offset = 0, uchar* orig_packet = 0, uchar* xor_packet = 0);
void AddSerializedData(DataStruct* data, int32 index = 0, std::string* datastring = 0);
// Data loading functions
bool LoadPacketData(uchar* data, int32 data_len, bool create_color = false);
bool StructLoadData(DataStruct* data_struct, void* data, int32 len, bool useType2 = false, bool create_color = false);
void LoadFromPacketStruct(PacketStruct* packet, char* substruct_name = 0);
// Opcode management functions
bool SetOpcode(const char* new_opcode);
int16 GetOpcodeValue(int16 client_version);
const char* GetOpcodeType();
void SetOpcodeType(const char* opcodeType);
// Utility accessor functions
std::vector<DataStruct*>* getStructs() { return &structs; }
int32 GetVersion() { return version; }
void SetVersion(int32 in_version) { version = in_version; }
EmuOpcode GetOpcode() { return opcode; }
const char* GetName() { return name.c_str(); }
void SetName(const char* in_name) { name = std::string(in_name); }
bool LoadedSuccessfully() { return loadedSuccessfully; }
bool IsSubPacket() { return sub_packet; }
void IsSubPacket(bool new_val) { sub_packet = new_val; }
int32 GetSubPacketSize() { return sub_packet_size; }
void SetSubPacketSize(int32 new_size) { sub_packet_size = new_size; }
int32 GetTotalPacketSize();
// Advanced functions
PacketStruct* GetPacketStructByName(const char* name);
void* GetStructPointer(DataStruct* data_struct, bool erase = false);
std::vector<DataStruct*> GetDataStructs();
void PrintPacket();
#ifdef WORLD
// World server specific functions
void setItem(DataStruct* ds, Item* item, Player* player, int32 index, sint8 offset = 0, bool loot_item = false, bool make_empty_item_packet = false, bool inspect = false);
void setItemByName(const char* name, Item* item, Player* player, int32 index = 0, sint8 offset = 0, bool loot_item = false, bool make_empty_item_packet = false, bool inspect = false);
void setItemArrayDataByName(const char* name, Item* item, Player* player, int32 index1 = 0, int32 index2 = 0, sint8 offset = 0, bool loot_item = false, bool make_empty_item_packet = false, bool inspect = false);
void ResetData();
#endif
// Include data getter/setter template functions
#include "packet_struct_data.hpp"
private:
// Memory management functions
void deleteDataStructs(std::vector<DataStruct*>* data_structs);
void deletePacketArrays(PacketStruct* packet);
void addPacketArrays(PacketStruct* packet);
// Core data setting functions
void setDataType(DataStruct* data_struct, char data, int32 index);
void setDataType(DataStruct* data_struct, int8 data, int32 index);
void setDataType(DataStruct* data_struct, int16 data, int32 index);
void setDataType(DataStruct* data_struct, int32 data, int32 index);
void setDataType(DataStruct* data_struct, int64 data, int32 index);
void setDataType(DataStruct* data_struct, sint8 data, int32 index);
void setDataType(DataStruct* data_struct, sint16 data, int32 index);
void setDataType(DataStruct* data_struct, sint32 data, int32 index);
void setDataType(DataStruct* data_struct, sint64 data, int32 index);
void setDataType(DataStruct* data_struct, float data, int32 index);
void setDataType(DataStruct* data_struct, double data, int32 index);
void setData(DataStruct* data_struct, EQ2_8BitString* input_string, int32 index, bool use_second_type = false);
void setData(DataStruct* data_struct, EQ2_16BitString* input_string, int32 index, bool use_second_type = false);
void setData(DataStruct* data_struct, EQ2_32BitString* input_string, int32 index, bool use_second_type = false);
// Member variables
PacketStruct* parent; // Parent packet structure for sub-packets
int32 sub_packet_size; // Size of sub-packet array
std::string opcode_type; // String representation of opcode type
bool sub_packet; // Whether this is a sub-packet
bool loadedSuccessfully; // Whether data loaded successfully
std::string name; // Name of this packet structure
EmuOpcode opcode; // Opcode enumeration value
int16 version; // Packet structure version
int16 client_version; // Client version for compatibility
std::vector<PacketStruct*> arrays; // Sub-packet arrays
std::vector<std::string> flags; // Packet flags
std::map<DataStruct*, void*> struct_data; // Data structure to memory mapping
std::map<int8, std::string> packed_data; // Packed data storage
std::map<std::string, DataStruct*> struct_map; // Name to data structure mapping
std::vector<DataStruct*> structs; // Main data structures
std::vector<DataStruct*> orig_structs; // Original structures for reAddAll
std::vector<PacketStruct*> orig_packets; // Original packets for reAddAll
};